From 7bcb5cc7ea7ad8c51d2d367bbce52ffa0dd63f3e Mon Sep 17 00:00:00 2001
From: Hans-Wilhelm Warlo <hanswilw@users.noreply.github.com>
Date: Tue, 10 Mar 2020 20:05:55 +0100
Subject: [PATCH] Output es module

---
 package.json     |  1 +
 rollup.config.js | 21 ++++++++++++++-------
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/package.json b/package.json
index a794340a21a..33bb1aaedf4 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "repository": "tannerlinsley/react-query",
   "main": "index.js",
+  "module": "dist/react-query.min.mjs",
   "sideEffects": false,
   "scripts": {
     "test": "is-ci \"test:ci\" \"test:dev\"",
diff --git a/rollup.config.js b/rollup.config.js
index 792e5bf8504..8cc2dd41883 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -23,13 +23,20 @@ export default [
   },
   {
     input: 'src/index.js',
-    output: {
-      name: 'ReactQuery',
-      file: 'dist/react-query.production.min.js',
-      format: 'umd',
-      sourcemap: true,
-      globals,
-    },
+    output: [
+      {
+        name: 'ReactQuery',
+        file: 'dist/react-query.production.min.js',
+        format: 'umd',
+        sourcemap: true,
+        globals,
+      },
+      {
+        file: 'dist/react-query.min.mjs',
+        format: 'es',
+        sourcemap: true,
+      },
+    ],
     external,
     plugins: [babel(), terser(), size()],
   },